31 lines · cpp
1// Test that correct vtable ptr and type metadata are passed to llvm.type.test2// Related to Bugzilla 43390.3 4// RUN: %clang_cc1 -triple x86_64-unknown-linux -fvisibility=hidden -std=c++11 -fsanitize=cfi-nvcall -emit-llvm -o - %s | FileCheck %s5 6class A1 {7public:8 virtual int f1() = 0;9};10 11class A2 {12public:13 virtual int f2() = 0;14};15 16 17class B : public A1, public A2 {18public:19 int f2() final { return 1; }20 int f1() final { return 2; }21};22 23// CHECK-LABEL: define hidden noundef i32 @_Z3foov24int foo() {25 B b;26 return static_cast<A2*>(&b)->f2();27 // CHECK: [[V:%[^ ]*]] = load ptr, ptr %b, align 828 // CHECK: call i1 @llvm.type.test(ptr [[V]], metadata !"_ZTS1B")29 // CHECK: call i1 @llvm.type.test(ptr [[V]], metadata !"all-vtables")30}31